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The period of time in takes for half of any medication to be metabolized by the body; used to measure how long a medication's effects will last and thus how frequently it must be dosed
The main organ of the circulatory system that has the function of receiving blood from and pumping blood to the rest of the body
Heart attack
Also known as a myocardial infarction (MI); a sudden event when part of the heart is deprived of blood, usually due to a blockage in one of the coronary arteries, resulting in damage to that part of the heart.
Inflammation of the liver, most often caused by infection from a hepatitis virus (e.g. hepatitis A,B,C)
High blood pressure
Hypoxic vasoconstriction
A characteristic of the pulmonary arteries by which they constrict during periods of low oxygen concentration